High speed socket connector
A high speed socket connector is disclosed in this invention, including a case, a terminal mold, an upper shield and a lower shield. The terminal mold includes an insulative body, a row of upper terminals and a row of lower terminals. The insulative body forms multiple first openings and second openings. The upper terminals and the lower terminals both include multiple differential pairs of signal terminals and multiple grounding terminals. Each signal terminal has a serpentine retaining section exposed in the corresponding first opening. Each grounding terminal has a straight retaining section exposed in the corresponding second opening. The upper shield and the lower shield are respectively mounted on the top and the bottom of the terminal mold. The high speed socket connector can realize a good shielding effect by the connection of the upper and lower shields and the grounding terminals.
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1. Field of the Invention
The present invention relates to a connector, and more particularly to a high speed socket connector.
2. Description of the Prior Art
Development trend of connectors is high speed, high density, low crosstalk, low impedance, zero delay, etc. A high speed connector can help user achieve the high performance connectivity. But the biggest technical difficulty of the high speed connector is how to ensure the integrity of the signal and reduce the electromagnetic interference in the high speed transmission. As is well known, the electromagnetic interference exists mainly in two ways: radiated electromagnetic interference and conductive electromagnetic interference. For the radiated electromagnetic interference, it can be shielded in a shielded way. For the conductive electromagnetic interference, filtering is the most effective means of protection. Therefore, the high speed connector with shielding and filtering function can meet the electromagnetic compatibility of electronic products.
Hence, it is needed to provide a high speed socket connector with shielding and filtering function.
BRIEF SUMMARY OF THE INVENTIONAn object of the present invention is to provide a high speed socket connector, which has the characteristics of shielding, improving the coupling performance of differential pair signal terminals, regulating the impedance and filtering.
Other objects and advantages of the present invention may be further understood from the technical features disclosed by the present invention.
To achieve the aforementioned object or other objects of the present invention, the present invention adopts the following technical solution.
The present invention provides a high speed socket connector, which comprises a case, a terminal module, an upper shield and a lower shield. The case has an insertion port located on the front of the case, and a mounting port located on the rear of the case and being opposite to the insertion port. The terminal module is mounted into the case from the insertion port. The terminal module includes an insulative body, a row of upper terminals formed on the insulative body, and a row of lower terminals formed on the insulative body. The insulative body forms multiple first openings and multiple second openings. Each of the upper and lower terminals has a mating section extending out of the front of the insulative body and entering into the insertion port, a welding section extending out of the rear of the insulative body and being exposed outside of the mounting port, and a retaining section located in the insulative body. These upper and lower terminals include multiple differential pairs of signal terminals and multiple grounding terminals adjacent to these signal terminals. The retaining section of each signal terminal is disposed to be a serpentine shape and exposed in the corresponding first opening; and the retaining section of each grounding terminal is disposed to be a straight shape and exposed in the corresponding second opening. The upper shield is mounted on the top of the terminal mould. The lower shield is mounted on the bottom of the terminal mould.
In one embodiment, the width of the serpentine retaining section of the signal terminal is equal to that of the straight retaining section of the grounding terminal; and the serpentine retaining section has multiple triangular teeth formed on two edges of the retaining section.
In one embodiment, each of the upper and lower shields has a thin plate-like main body and multiple elastic fingers formed on the main body and bent toward the terminal mould. The front of the main body of the upper shield extends above the mating sections of these upper terminals to cover the row of upper terminals, and each elastic finger of the upper shield enters into the corresponding second opening and contacts with the corresponding grounding terminals of the row of upper terminals to form a grounding connection. The front of the main body of the lower shield extends under the mating sections of these lower terminals to cover the row of lower terminals, and each elastic finger of the lower shield enters into the corresponding second opening and contacts with the corresponding grounding terminals of the row of lower terminals to form a grounding connection.
In one embodiment, the terminal module is provided with two positioning protrusions respectively formed on the top and the bottom of the terminal module; each of the upper and lower shields is provided with a positioning hole on the main body to be engaged with the corresponding positioning protrusion.
In one embodiment, the case further has two fixing holes symmetrically formed on the top of the mounting port, two holding grooves symmetrically formed on the bottom of the mounting port and being respectively aligned with the two fixing holes, and two shoulders symmetrically formed on the rear of the mounting port. The terminal module disposes two upright fixing posts and two fixing arms adjacent to the two fixing posts; the top of each fixing post is inserted into the corresponding fixing hole, the bottom of each fixing post is held by the corresponding holding groove, and the bottom of each fixing arm stands on the corresponding shoulder.
In one embodiment, the terminal module includes an upper module, a lower module and a holder; the upper module includes an upper insulative body, and these upper terminals are formed on the upper insulative body; the lower module includes a lower insulative body, and these lower terminals are formed on the upper insulative body; the two fixing posts and the two fixing arms are formed on the holder; and the insulative body consists of the upper insulative body, the lower insulative body and the holder.
In one embodiment, the upper module has a protruding block on the bottom of the upper module, and the lower module has a recess on the top of the lower module; the upper module and the lower module is initially positioned together by the engaging of the protruding block and the recess.
In one embodiment, a case further has a plurality of upper terminal-receiving passages formed on the top of the insertion port, and a plurality of lower terminal-receiving passages formed on the bottom of the insertion port; these upper and lower terminals respectively enter into the corresponding upper and lower terminal-receiving passages.
The present invention also provides a high speed socket connector, which comprises a case, a terminal module, an upper shield and a lower shield. The case has an insertion port located on the front of the case, and a mounting port located on the rear of the case and being opposite to the insertion port. The terminal module is mounted into the case from the insertion port and includes an insulative body, a row of upper terminals formed on the insulative body, and a row of lower terminals formed on the insulative body. The insulative body forms multiple first openings and multiple second openings. Each of the upper and lower terminals has a mating section extending out of the front of the insulative body and entering into the insertion port, a welding section extending out of the rear of the insulative body and being exposed outside of the mounting port, and a retaining section located in the insulative body. These upper and lower terminals include multiple differential pairs of signal terminals and multiple grounding terminals adjacent to these signal terminals. The retaining section of each signal terminal is exposed in the corresponding first opening; and the retaining section of each grounding terminal is exposed in the corresponding second opening. The upper shield is mounted on the top of the terminal mould. The lower shield is mounted on the bottom of the terminal mould. Wherein each of the upper and lower shields has a thin plate-like main body and multiple elastic fingers formed on the main body and bent toward the terminal mould. The front of the main body of the upper shield extends above the mating sections of these upper terminals to cover the row of upper terminals, and each elastic finger of the upper shield enters into the corresponding second opening and contacts with the corresponding grounding terminals of the row of upper terminals to form a grounding connection. The front of the main body of the lower shield extends under the mating sections of these lower terminals to cover the row of lower terminals, and each elastic finger of the lower shield enters into the corresponding second opening and contacts with the corresponding grounding terminals of the row of lower terminals to form a grounding connection.
In one embodiment, the retaining section of each signal terminal is disposed to be a serpentine shape or a square saw-tooth shape.
In comparison with the prior art, the high speed socket connector of the present invention can realize a good shielding effect by the connection of the upper and lower shields and the grounding terminals. The insulative body is provided with the first openings for exposing the retaining sections of the differential pair of signal terminals, thereby balancing the coupling performance of these differential pairs of signal terminals. Furthermore, the retaining sections of these differential pairs of signal terminals are disposed to be a serpentine shape for achieving the adjustment of the impedance and filtering effect.
The following description of every embodiment with reference to the accompanying drawings is used to exemplify a specific embodiment, which may be carried out in the present invention. Directional terms mentioned in the present invention, such as “up”, “down”, “front”, “back”, “left”, “right”, “top”, “bottom” etc., are only used with reference to the orientation of the accompanying drawings. Therefore, the used directional terms are intended to illustrate, but not to limit, the present invention.
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More specifically, in the embodiment, the upper terminal 202 will be taken as an example to further introduce the terminal structure in detail. The serpentine retaining section 2023′ has multiple triangular teeth 2024 formed on two edges of the retaining section 2023′. The number of the triangular teeth 2024 can make some corresponding changes according to different terminal structures or arrangements. In other words, these triangular teeth 2024 can be closely or sparsely arranged according to the actual needs.
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As described above, the high speed socket connector 1 of the present invention can realize a good shielding effect by the connection of the upper and lower shields 30, 40 and the grounding terminals 202″, 203″. Moreover, the insulative body 201 is provided with these first openings 204 for exposing the retaining sections 2023′, 2033′ of these differential pair of signal terminals 202′, 203′, thereby balancing the coupling performance of these differential pairs of signal terminals 202′, 203′. Furthermore, the retaining sections 2023′, 2033′ of these differential pairs of signal terminals 202′, 203′ are disposed to be a serpentine shape thereby achieving the adjustment of the impedance and filtering effect.
It is to be understood, however, that even though numerous characteristics and advantages of the present invention have been set forth in the foregoing description, together with details of the structure and function of the invention, the disclosure is illustrative only, and changes may be made in detail, especially in matters of shape, size, and arrangement of parts within the principles of the invention to the full extent indicated by the broad general meaning of the terms in which the appended claims are expressed.
Claims
1. A high speed socket connector comprising:
- a case having an insertion port located on the front of the case, and a mounting port located on the rear of the case and being opposite to the insertion port;
- a terminal module being mounted into the case from the insertion port; the terminal module including an insulative body, a row of upper terminals formed on the insulative body, and a row of lower terminals formed on the insulative body; the insulative body forming multiple first openings and multiple second openings; each of the upper and lower terminals having a mating section extending out of the front of the insulative body and entering into the insertion port, a welding section extending out of the rear of the insulative body and being exposed outside of the mounting port, and a retaining section located in the insulative body; these upper and lower terminals including multiple differential pairs of signal terminals and multiple grounding terminals adjacent to these signal terminals; the retaining section of each signal terminal being disposed to be a serpentine shape and being exposed in the corresponding first opening; and the retaining section of each grounding terminal being disposed to be a straight shape and being exposed in the corresponding second opening;
- an upper shield being mounted on the top of the terminal mould; and
- a lower shield being mounted on the bottom of the terminal mould;
- wherein the case further has two fixing holes symmetrically formed on the top of the mounting port, two holding grooves symmetrically formed on the bottom of the mounting port and being respectively aligned with the two fixing holes, and two shoulders symmetrically formed on the rear of the mounting port;
- the terminal module disposing two upright fixing posts and two fixing arms adjacent to the two fixing posts; the top of each fixing post being inserted into the corresponding fixing hole, the bottom of each fixing post being held by the corresponding holding groove, and the bottom of each fixing arm standing on the corresponding shoulder.
2. The high speed socket connector as claimed in claim 1, wherein the width of the serpentine retaining section of the signal terminal is equal to that of the straight retaining section of the grounding terminal; and the serpentine retaining section has multiple triangular teeth formed on two edges of the retaining section.
3. The high speed socket connector as claimed in claim 1, wherein each of the upper and lower shields has a thin plate-like main body and multiple elastic fingers formed on the main body and bent toward the terminal mould; the front of the main body of the upper shield extends above the mating sections of these upper terminals to cover the row of upper terminals, and each elastic finger of the upper shield enters into the corresponding second opening and contacts with the corresponding grounding terminals of the row of upper terminals to form a grounding connection; the front of the main body of the lower shield extends under the mating sections of these lower terminals to cover the row of lower terminals, and each elastic finger of the lower shield enters into the corresponding second opening and contacts with the corresponding grounding terminals of the row of lower terminals to form a grounding connection.
4. The high speed socket connector as claimed in claim 3, wherein the terminal module is provided with two positioning protrusions respectively formed on the top and the bottom of the terminal module; each of the upper and lower shields is provided with a positioning hole on the main body to be engaged with the corresponding positioning protrusion.
5. The high speed socket connector as claimed in claim 1, wherein the terminal module includes an upper module, a lower module and a holder; the upper module includes an upper insulative body, and these upper terminals are formed on the upper insulative body; the lower module includes a lower insulative body, and these lower terminals are formed on the upper insulative body; the two fixing posts and the two fixing arms are formed on the holder; and the insulative body consists of the upper insulative body, the lower insulative body and the holder.
6. The high speed socket connector as claimed in claim 5, wherein the upper module has a protruding block on the bottom of the upper module, and the lower module has a recess on the top of the lower module; the upper module and the lower module is initially positioned together by the engaging of the protruding block and the recess.
7. The high speed socket connector as claimed in claim 1, wherein the case further has a plurality of upper terminal-receiving passages formed on the top of the insertion port, and a plurality of lower terminal-receiving passages formed on the bottom of the insertion port; these upper and lower terminals respectively enter into the corresponding upper and lower terminal-receiving passages.
8. A high speed socket connector comprising:
- a case having an insertion port located on the front of the case, and a mounting port located on the rear of the case and being opposite to the insertion port;
- a terminal module being mounted into the case from the insertion port; the terminal module including an insulative body, a row of upper terminals formed on the insulative body, and a row of lower terminals formed on the insulative body; the insulative body forming multiple first openings and multiple second openings; each of the upper and lower terminals having a mating section extending out of the front of the insulative body and entering into the insertion port, a welding section extending out of the rear of the insulative body and being exposed outside of the mounting port, and a retaining section located in the insulative body; these upper and lower terminals including multiple differential pairs of signal terminals and multiple grounding terminals adjacent to these signal terminals; the retaining section of each signal terminal being exposed in the corresponding first opening; and the retaining section of each grounding terminal being exposed in the corresponding second opening;
- an upper shield being mounted on the top of the terminal mould; and
- a lower shield being mounted on the bottom of the terminal mould;
- wherein each of the upper and lower shields has a thin plate-like main body and multiple elastic fingers formed on the main body and bent toward the terminal mould; the front of the main body of the upper shield extending above the mating sections of these upper terminals to cover the row of upper terminals, and each elastic finger of the upper shield entering into the corresponding second opening and contacts with the corresponding grounding terminals of the row of upper terminals to form a grounding connection; the front of the main body of the lower shield extending under the mating sections of these lower terminals to cover the row of lower terminals, and each elastic finger of the lower shield entering into the corresponding second opening and contacts with the corresponding grounding terminals of the row of lower terminals to form a grounding connection.
9. The high speed socket connector as claimed in claim 8, wherein the retaining section of each signal terminal is disposed to be a serpentine shape or a square saw-tooth shape.
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Type: Grant
Filed: Oct 12, 2016
Date of Patent: Oct 24, 2017
Patent Publication Number: 20170179651
Assignee: Oupiin Electronic (Kunshan) Co., LTD (Jiangsu Province)
Inventor: Hsin Chih Chen (Jiangsu Province)
Primary Examiner: Tulsidas C Patel
Assistant Examiner: Peter G Leigh
Application Number: 15/291,906
International Classification: H01R 13/6585 (20110101); H01R 24/76 (20110101); H01R 12/77 (20110101); H01R 13/6471 (20110101); H01R 107/00 (20060101);